Naperville, IL. Naperville is a city in DuPage and Will counties in the U.S. state of Illinois, and a suburb of Chicago. In a 2010 study, Naperville was named the wealthiest city in the Midwest and eleventh in the nation with a population over 140,000. It was ranked among the nation's safest cities by USAToday and Business Insider.Naperville was voted the second-best place to live in the United States by Money magazine in 2006. It was rated 1st on the list of best cities for early retirement in 2013 by Kiplinger. As of the 2010 census, the city had a population of 141,853, which was estimated to have increased to 147,100 by July 2015. It is the fifth-largest city in Illinois.
Naperville, IL, with surrounding areas in Aurora, Oswego, Plainfield, or Lisle, is home to Sharkey's Karate Studio, a Martial Arts facility focusing on programs in Adult Martial Arts, Summer Camp, Kids Martial Arts, After School, and Birthday Parties.